drm/i915: Fixup kerneldoc in struct i915_gem_context

Mixup in rebasing and patchwork re-runs made me push the wrong version of
the patch. Or I even forgot to send out the fixed version. Fix it up.

Signed-off-by: Tvrtko Ursulin <[e-mail]>
Fixes: 49bd54b390c2 ("drm/i915: Track all user contexts per client")
Cc: Umesh Nerlige Ramappa <[e-mail]>
Reviewed-by: Daniel Vetter <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/gem/i915_gem_context_types.h

···
 	/** @client: struct i915_drm_client */
 	struct i915_drm_client *client;
 
-	/** link: &drm_client.context_list */
+	/** @client_link: for linking onto &i915_drm_client.ctx_list */
 	struct list_head client_link;
 
 	/**